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On the west side of the Casper Arch (a Laramide uplift that is less profound than neighbors like the Wind River Mountains or the Bighorns), the Eocene Wind River Formation (mudstones, claystones, and some channel sands) is exposed. For some reason, unlike the surrounding terrain, it's weathered into a neat llittle exam...

Viewed from Frederick County (Opequon Creek is the dividing line), you can see strata of the Ordovician-aged Edinburg Formation limestones and shales. These anticlines and synclines formed during Alleghanian mountain-building in the late Paleozoic.
Another set of folds is just upstream:
gigapan.org/gigapans...

Route 55, West Virginia, has some extraordinary roadcuts in Paleozoic strata along Corridor H. Here's a view of some Devonian redbeds. It's the same scene as this GigaPan:
gigapan.com/gigapans/111263
but up about 10 m in perspective.

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Exposed along new Route 55 (Corridor H) in West Virginia between the towns of Baker and Moorefield, here are some Devonian redbeds sloughed off the Acadian Orogeny and dumped along the edge of the Kaskaskia Sea.
It's the same scene as this GigaPan:
gigapan.com/gigapans/111264
but it's taken from road-level.

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A disused quarry by used local abseilers. Falls from the top of the rock face are visible at the bottom. Vertical fractures are visible in the rock face. A drill hole is visible near the right hand side. A rock that appears to be unstable is visible at the top of the rock face just to the right of centre. The 44 gallon...